{"id":9847,"date":"2026-02-24T15:11:45","date_gmt":"2026-02-24T07:11:45","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/iso-9895\/"},"modified":"2026-04-16T09:54:22","modified_gmt":"2026-04-16T01:54:22","slug":"iso-9895","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/iso-9895\/","title":{"rendered":"ISO 9895"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Porozum\u011bn\u00ed testu SCT a jeho pr\u016fmyslov\u00e9mu v\u00fdznamu<\/h2>\n\n\n\n<p>The <strong data-start=\"922\" data-end=\"934\">Test SCT<\/strong>neboli zkou\u0161ka tlakem v kr\u00e1tk\u00e9m rozp\u011bt\u00ed je nezbytn\u00e1 pro hodnocen\u00ed pevnosti pap\u00edru a lepenky v tlaku v rovin\u011b. Simuluje nam\u00e1h\u00e1n\u00ed vznikaj\u00edc\u00ed p\u0159i stohov\u00e1n\u00ed, nakl\u00e1d\u00e1n\u00ed a balen\u00ed - zejm\u00e9na p\u0159i v\u00fdrob\u011b vlnit\u00e9 lepenky.<\/p>\n\n\n\n<p>Metoda ISO 9895 pou\u017e\u00edv\u00e1 <strong data-start=\"1227\" data-end=\"1260\">kompresn\u00ed tester s kr\u00e1tk\u00fdm rozp\u011bt\u00edm<\/strong> upnout zku\u0161ebn\u00ed p\u00e1sek o \u0161\u00ed\u0159ce 15 mm s rozp\u011bt\u00edm mezi \u010delistmi pouh\u00fdch 0,7 mm. Svorky pak stla\u010d\u00ed vzorek, dokud se neprohne nebo nepropadne, a zm\u011b\u0159\u00ed <strong data-start=\"1418\" data-end=\"1435\">maxim\u00e1ln\u00ed s\u00edla<\/strong> pou\u017eity. Tato hodnota se pou\u017e\u00edv\u00e1 k v\u00fdpo\u010dtu pevnosti v tlaku v kilonewtonech na metr (kN\/m) a poskytuje d\u016fle\u017eit\u00e9 informace pro v\u00fdrobce karton\u016f a obalov\u00e9 techniky.<\/p>\n\n\n\n<p>Tato zkou\u0161ka je vhodn\u00e1 zejm\u00e9na pro pap\u00edry s gram\u00e1\u017e\u00ed v rozmez\u00ed <strong data-start=\"1678\" data-end=\"1697\">100 a\u017e 400 g\/m\u00b2<\/strong>, kter\u00e9 se b\u011b\u017en\u011b vyskytuj\u00ed v <strong data-start=\"1717\" data-end=\"1761\">obalov\u00e9 desky, kraftov\u00e9 vlo\u017eky a dr\u00e1\u017ekov\u00e1n\u00ed<\/strong> aplikace. V\u00fdrobci \u010dasto d\u00e1vaj\u00ed p\u0159ednost zkou\u0161ce SCT p\u0159ed jin\u00fdmi metodami kv\u016fli jej\u00edmu n\u00edzk\u00e9mu rozp\u011bt\u00ed a siln\u00e9 korelaci s pevnost\u00ed v tlaku v bedn\u011b (BCT).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 parametry p\u0159i testov\u00e1n\u00ed podle normy ISO 9895<\/h2>\n\n\n\n<p>Norma ISO 9895 stanov\u00ed p\u0159\u00edsn\u00e9 zku\u0161ebn\u00ed podm\u00ednky a po\u017eadavky na p\u0159\u00edstroje, aby byla zaji\u0161t\u011bna konzistence a p\u0159esnost:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2060\" data-end=\"2075\">\u0160\u00ed\u0159ka svorky<\/strong>: 30 mm<\/li>\n\n\n\n<li><strong data-start=\"2085\" data-end=\"2103\">Up\u00ednac\u00ed s\u00edla<\/strong>: 2,300 \u00b1 500 N<\/li>\n\n\n\n<li><strong data-start=\"2121\" data-end=\"2144\">Rozp\u011bt\u00ed mezi svorkami<\/strong>: 0,70 mm \u00b1 0,05 mm<\/li>\n\n\n\n<li><strong data-start=\"2166\" data-end=\"2187\">Rychlost komprese<\/strong>: 3 mm\/min \u00b1 1 mm\/min<\/li>\n\n\n\n<li><strong data-start=\"2211\" data-end=\"2224\">P\u0159esnost<\/strong>: chyba \u00b11% v rozsahu 10-100% pln\u00e9ho rozsahu stupnice<\/li>\n<\/ul>\n\n\n\n<p>P\u0159esnost m\u011b\u0159en\u00ed a d\u016fsledn\u00e1 p\u0159\u00edprava vzork\u016f jsou velmi d\u016fle\u017eit\u00e9. Kondicionov\u00e1n\u00ed podle <strong data-start=\"2371\" data-end=\"2382\">ISO 187<\/strong> a stanoven\u00ed gram\u00e1\u017ee na <strong data-start=\"2414\" data-end=\"2425\">ISO 536<\/strong> jsou p\u0159ed testov\u00e1n\u00edm vy\u017eadov\u00e1ny.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdhody kompresn\u00edho testeru s kr\u00e1tk\u00fdm rozp\u011bt\u00edm p\u0159i testov\u00e1n\u00ed pap\u00edru<\/h2>\n\n\n\n<p>Vyu\u017eit\u00ed <strong data-start=\"2537\" data-end=\"2570\">kompresn\u00ed tester s kr\u00e1tk\u00fdm rozp\u011bt\u00edm<\/strong> p\u0159in\u00e1\u0161\u00ed \u0159adu v\u00fdhod:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2600\" data-end=\"2630\">Rychl\u00e9 a p\u0159esn\u00e9 testov\u00e1n\u00ed<\/strong> s minim\u00e1ln\u00ed p\u0159\u00edpravou vzork\u016f<\/li>\n\n\n\n<li><strong data-start=\"2667\" data-end=\"2712\">Siln\u00e1 korelace s v\u00fdkonnost\u00ed kone\u010dn\u00e9ho pou\u017eit\u00ed<\/strong>, zejm\u00e9na u krabic z vlnit\u00e9 lepenky a skl\u00e1dan\u00fdch krabic.<\/li>\n\n\n\n<li><strong data-start=\"2758\" data-end=\"2800\">Vysok\u00e1 opakovatelnost a reprodukovatelnost<\/strong>, nezbytn\u00e9 pro operace QA\/QC<\/li>\n\n\n\n<li><strong data-start=\"2835\" data-end=\"2858\">Citliv\u00e1 detekce<\/strong> jemn\u00fdch rozd\u00edl\u016f v pevnostn\u00edch vlastnostech ve sm\u011bru stroje (MD) a v p\u0159\u00ed\u010dn\u00e9m sm\u011bru (CD).<\/li>\n<\/ul>\n\n\n\n<p>The <strong data-start=\"2957\" data-end=\"3014\">Cell Instruments SCT-01 Zkou\u0161e\u010dka stla\u010den\u00ed s kr\u00e1tk\u00fdm rozp\u011bt\u00edm<\/strong> je zkonstruov\u00e1n tak, aby pln\u011b vyhovoval norm\u011b ISO 9895, a zahrnuje p\u0159esnou up\u00ednac\u00ed mechaniku, stabiln\u00ed nastaven\u00ed \u010delist\u00ed a inteligentn\u00ed ovl\u00e1dac\u00ed rozhran\u00ed, kter\u00e9 zaji\u0161\u0165uje <strong data-start=\"3171\" data-end=\"3185\">opakovateln\u00e9<\/strong> a <strong data-start=\"3190\" data-end=\"3215\">standardizovan\u00fd test SCT<\/strong> v\u00fdsledky.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Tester kr\u00e1tk\u00e9ho rozp\u011bt\u00ed\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/FXr-QgOkRws?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Aplikace testu kr\u00e1tk\u00e9ho rozp\u011bt\u00ed desek p\u0159i kontrole kvality<\/h2>\n\n\n\n<p>The <strong data-start=\"3291\" data-end=\"3316\">test kr\u00e1tk\u00e9ho rozp\u011bt\u00ed desky<\/strong> je ned\u00edlnou sou\u010d\u00e1st\u00ed zaji\u0161t\u011bn\u00ed kvality v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3380\" data-end=\"3411\">V\u00fdroba vlnit\u00e9 lepenky<\/strong>: k p\u0159edpov\u011bdi pevnosti krabic p\u0159i zat\u00ed\u017een\u00ed p\u0159i stohov\u00e1n\u00ed<\/li>\n\n\n\n<li><strong data-start=\"3460\" data-end=\"3475\">Pap\u00edrny<\/strong>: pro posouzen\u00ed pevnosti MD a CD vlo\u017eky a dr\u00e1\u017ekov\u00e1n\u00ed<\/li>\n\n\n\n<li><strong data-start=\"3534\" data-end=\"3558\">Obalov\u00e9 konvertory<\/strong>: ov\u011b\u0159it vhodnost materi\u00e1lu pro balen\u00ed do t\u011b\u017ek\u00fdch podm\u00ednek.<\/li>\n\n\n\n<li><strong data-start=\"3618\" data-end=\"3643\">Dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f<\/strong>: spln\u011bn\u00ed specifikac\u00ed ISO a specifikac\u00ed z\u00e1kazn\u00edka<\/li>\n<\/ul>\n\n\n\n<p>Jeho <strong data-start=\"3690\" data-end=\"3714\">kompaktn\u00ed testovac\u00ed plocha<\/strong> a <strong data-start=\"3719\" data-end=\"3733\">kr\u00e1tk\u00e9 rozp\u011bt\u00ed<\/strong> konfigurace, d\u00edky n\u00ed\u017e je obzvl\u00e1\u0161t\u011b citliv\u00fd na zm\u011bny v orientaci vl\u00e1ken, kvalit\u011b lepen\u00ed a podm\u00ednk\u00e1ch zu\u0161lech\u0165ov\u00e1n\u00ed b\u011bhem v\u00fdroby.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pap\u00edrov\u00e1 zkou\u0161ka kr\u00e1tk\u00e9ho rozp\u011bt\u00ed vs. tradi\u010dn\u00ed kompresn\u00ed zkou\u0161ka<\/h2>\n\n\n\n<p>Tradi\u010dn\u00ed tlakov\u00e9 zkou\u0161ky (jako je krou\u017ekov\u00e1 tlakov\u00e1 zkou\u0161ka nebo tlakov\u00e1 zkou\u0161ka hran) \u010dasto nedok\u00e1\u017eou izolovat vnit\u0159n\u00ed vlastnosti plechu. Na str\u00e1nk\u00e1ch <strong data-start=\"4052\" data-end=\"4077\">test kr\u00e1tk\u00e9ho rozp\u011bt\u00ed pap\u00edru<\/strong>se v\u0161ak zam\u011b\u0159uje v\u00fdhradn\u011b na stla\u010den\u00ed materi\u00e1lu v r\u00e1mci mal\u00e9ho rozp\u011bt\u00ed - minimalizuje \u00fa\u010dinky ohybu nebo vzp\u011bru.<\/p>\n\n\n\n<p>Tato specifi\u010dnost umo\u017e\u0148uje v\u00fdrobc\u016fm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optimalizace v\u00fdb\u011bru vl\u00e1ken a slo\u017een\u00ed v\u00fdbavy<\/li>\n\n\n\n<li>Vyhodnocen\u00ed \u00fa\u010dink\u016f rafinace nebo chemie mokr\u00e9ho konce.<\/li>\n\n\n\n<li>Zji\u0161\u0165ov\u00e1n\u00ed mechanick\u00fdch nebo chemick\u00fdch nesrovnalost\u00ed ve v\u00fdrob\u011b.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdb\u011br spr\u00e1vn\u00e9ho n\u00e1stroje: Tester kr\u00e1tk\u00e9ho rozp\u011bt\u00ed<\/h2>\n\n\n\n<p>Pro v\u00fdrobce, kte\u0159\u00ed usiluj\u00ed o vysokou p\u0159esnost a dodr\u017eov\u00e1n\u00ed <strong data-start=\"4521\" data-end=\"4533\">ISO 9895<\/strong>... <strong data-start=\"4539\" data-end=\"4566\">Bun\u011b\u010dn\u00e9 n\u00e1stroje <a href=\"https:\/\/www.packqc.com\/cs\/product\/iso-9895-short-span-compression-tester\/\">SCT-01<\/a><\/strong> nab\u00edz\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pln\u011b automatizovan\u00fd provoz s intuitivn\u00edm rozhran\u00edm<\/li>\n\n\n\n<li>P\u0159esn\u011b se\u0159\u00edzen\u00e9 svorky s minim\u00e1ln\u00ed odchylkou<\/li>\n\n\n\n<li>Zobrazen\u00ed s\u00edly v re\u00e1ln\u00e9m \u010dase a sb\u011br dat s vysok\u00fdm rozli\u0161en\u00edm<\/li>\n\n\n\n<li>Snadn\u00e1 kalibrace pomoc\u00ed nav\u00e1zan\u00fdch standard\u016f<\/li>\n\n\n\n<li>Robustn\u00ed mechanika zaji\u0161\u0165uj\u00edc\u00ed dlouholet\u00fd konzistentn\u00ed v\u00fdkon<\/li>\n<\/ul>\n\n\n\n<p>Integrac\u00ed tohoto testeru do b\u011b\u017en\u00fdch laboratorn\u00edch pracovn\u00edch postup\u016f mohou t\u00fdmy kontroly kvality zajistit lep\u0161\u00ed kontrolu nad v\u00fdkonem v\u00fdrobk\u016f, sn\u00ed\u017eit variabilitu a splnit glob\u00e1ln\u00ed po\u017eadavky z\u00e1kazn\u00edk\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kontaktujte n\u00e1s Z\u00edskejte \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed ISO 9895 <\/h2>\n\n\n\n<p><strong data-start=\"5051\" data-end=\"5063\">ISO 9895<\/strong> nab\u00edz\u00ed kritickou metodu pro stanoven\u00ed pevnosti pap\u00edru a lepenky v tlaku s pou\u017eit\u00edm <strong data-start=\"5159\" data-end=\"5190\">tlakov\u00e1 zkou\u0161ka na kr\u00e1tk\u00e9 rozp\u011bt\u00ed<\/strong>. A\u0165 u\u017e se zab\u00fdv\u00e1te balen\u00edm, zpracov\u00e1n\u00edm nebo v\u00fdrobou pap\u00edru, tato norma v\u00e1m poskytne p\u0159ehled o pevnostn\u00edch charakteristik\u00e1ch va\u0161eho materi\u00e1lu ve sm\u011bru stroje i v p\u0159\u00ed\u010dn\u00e9m sm\u011bru.<\/p>\n\n\n\n<p>Chcete-li prov\u00e1d\u011bt testy SCT s nejvy\u0161\u0161\u00ed p\u0159esnost\u00ed a opakovatelnost\u00ed, doporu\u010dujeme pou\u017e\u00edt <strong data-start=\"5449\" data-end=\"5509\">SCT-01 Short Span Compression Tester by <a href=\"https:\/\/www.packqc.com\/cs\/\">Bun\u011b\u010dn\u00e9 n\u00e1stroje<\/a><\/strong>-V\u00e1\u0161 spolehliv\u00fd partner pro anal\u00fdzu pevnosti v tlaku lepenky a pap\u00edru.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n<p>1. K \u010demu se pou\u017e\u00edv\u00e1 norma ISO 9895?<br>Norma ISO 9895 specifikuje metodu m\u011b\u0159en\u00ed pevnosti v tlaku pap\u00edru a lepenky pomoc\u00ed zkou\u0161ky tlakem v kr\u00e1tk\u00e9m rozp\u011bt\u00ed, kter\u00e1 je nezbytn\u00e1 pro kontrolu kvality p\u0159i v\u00fdrob\u011b obal\u016f a lepenky.<\/p>\n\n\n\n<p>2. Jak prob\u00edh\u00e1 tlakov\u00e1 zkou\u0161ka na kr\u00e1tk\u00e9m rozp\u011bt\u00ed?<br>Pap\u00edrov\u00fd prou\u017eek o \u0161\u00ed\u0159ce 15 mm se stla\u010duje na rozp\u011bt\u00ed 0,7 mm, dokud se neprohne. Maxim\u00e1ln\u00ed s\u00edla se zaznamen\u00e1 a pou\u017eije se k v\u00fdpo\u010dtu pevnosti v tlaku.<\/p>\n\n\n\n<p>3. Pro\u010d se v obalov\u00fdch aplikac\u00edch up\u0159ednost\u0148uje testov\u00e1n\u00ed SCT?<br>P\u0159esn\u011b toti\u017e odr\u00e1\u017e\u00ed stohovac\u00ed pevnost obal\u016f z vlnit\u00e9 lepenky a pom\u00e1h\u00e1 v\u00fdrobc\u016fm \u00fa\u010dinn\u011b kontrolovat pevnost materi\u00e1lu.<\/p>\n\n\n\n<p>4. Jak\u00fd rozsah gram\u00e1\u017ee <a href=\"https:\/\/www.iso.org\/standard\/41400.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ISO 9895<\/a> se vztahuj\u00ed?<br>Norma plat\u00ed pro pap\u00edry a lepenky s gram\u00e1\u017e\u00ed od 100 do 400 g\/m\u00b2.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pochopen\u00ed zkou\u0161ky SCT a jej\u00edho pr\u016fmyslov\u00e9ho v\u00fdznamu Zkou\u0161ka SCT neboli zkou\u0161ka tlakem v kr\u00e1tk\u00e9m rozp\u011bt\u00ed je nezbytn\u00e1 pro hodnocen\u00ed pevnosti pap\u00edru a lepenky v tlaku v rovin\u011b. Simuluje nam\u00e1h\u00e1n\u00ed vznikaj\u00edc\u00ed p\u0159i stohov\u00e1n\u00ed, nakl\u00e1d\u00e1n\u00ed a balen\u00ed - zejm\u00e9na p\u0159i v\u00fdrob\u011b vlnit\u00e9 lepenky. Metoda ISO 9895 pou\u017e\u00edv\u00e1 kr\u00e1tk\u00fd tlakov\u00fd tester, kter\u00fd up\u00edn\u00e1 lepenku do kle\u0161t\u00ed a [...]<\/p>","protected":false},"featured_media":6385,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"standard-category":[612],"class_list":["post-9847","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-iso"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/9847","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media\/6385"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9847"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=9847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}